invoiceninja/tests/Feature/CancelInvoiceTest.php

<?php

namespace Tests\Feature;

use App\Factory\CreditFactory;
use App\Factory\InvoiceItemFactory;
use App\Helpers\Invoice\InvoiceSum;
use App\Listeners\Credit\CreateCreditInvitation;
use App\Models\Client;
use App\Models\Credit;
use App\Models\Invoice;
use App\Models\Payment;
use App\Models\Paymentable;
use App\Utils\Traits\MakesHash;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Foundation\Testing\WithFaker;
use Illuminate\Routing\Middleware\ThrottleRequests;
use Illuminate\Support\Carbon;
use Illuminate\Validation\ValidationException;
use Tests\MockAccountData;
use Tests\TestCase;

/**
 * @test
 * @covers App\Services\Invoice\HandleCancellation
 */
    
class CancelInvoiceTest extends TestCase
{
    use MakesHash;
    use DatabaseTransactions;
    use MockAccountData;

    public function setUp() :void
    {
        parent::setUp();

        $this->withoutMiddleware(
            ThrottleRequests::class
        );

        $this->faker = \Faker\Factory::create();

        Model::reguard();

        $this->makeTestData();

        $this->withoutExceptionHandling();
    }

    public function testCancelInvoice()
    {
        $this->assertTrue($this->invoice->invoiceCancellable($this->invoice));

        $client_balance = $this->client->balance;
        $invoice_balance = $this->invoice->balance;

        $this->assertEquals(Invoice::STATUS_SENT, $this->invoice->status_id);

        $this->invoice->service()->handleCancellation()->save();

        $this->assertEquals(0, $this->invoice->balance);
        $this->assertEquals($this->client->balance, ($client_balance - $invoice_balance));
        $this->assertNotEquals($client_balance, $this->client->balance);
        $this->assertEquals(Invoice::STATUS_CANCELLED, $this->invoice->status_id);
    }
}